Historical clue formulations

• Currency of Qatar — 2022-06-12
• Mideast money — 2015-03-05
• Qatari bank note — 2011-11-27
• Saudi Arabian currency — 2009-05-17
• Coin of Qatar — 2005-09-15
• Saudi Arabian coin — 2003-09-14
• Money of Qatar — 2002-10-31